<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
   
    </div>
    <script>
     //获取body元素
     var bodyEle = document.body;
     console.log(bodyEle);
     console.dir(bodyEle);
     //2.获取html元素
     //var thmelEle = document.html
     var htmlEle = document.doucumentElement;
     console.log(htmlEle)
    </script>
</body>
</html>